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Finding the Fourth Proportional to 706,595.13, 975,080.43 and 400,699.44

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Solution

The fourth proportional to 706,595.13, 975,080.43 and 400,699.44 is: 552,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,595.13 : 975,080.43 = 400,699.44 : x
  2. Step 2: Convert to fraction form
    706,595.13/975,080.43 = 400,699.44/x
  3. Step 3: Cross multiply
    706,595.13x = 975,080.43 × 400,699.44
  4. Step 4: Simplify right side
    706,595.13x = 390,714,182,255.96
  5. Step 5: Solve for x
    x = 390,714,182,255.96/706,595.13
  6. Step 6: Final answer
    x = 552,953.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.